The original title is "Securing SaaS Signup Forms: Stop Bot Attacks With CAPTCHA"

Short summary

A practical guide to defending public SaaS signup forms against automated bot attacks using rate limiting, disposable email filtering, honeypot fields, and CAPTCHA. Covers common attack vectors including fake account creation, email bombing, user enumeration, and application-layer DDoS. Recommends Cloudflare Turnstile for frictionless bot detection.

• •Signup forms are major attack surfaces for bots: fake accounts, email bombing, enumeration, DDoS
• •Defense-in-depth: rate limiting, disposable email blocking, honeypot fields, CAPTCHA
• •Recommends Cloudflare Turnstile for human verification without user friction

Generated with AI, which can make mistakes.